Powder placing syringe



Sept. 29,1931. L, FINDLEY POWDER PLACING SYRINGE Filed oct. 29, 192s Patented Sept. 29, 1931 UNITED STATES PATENT OFFICE" LESTER L. EINDLEY, E Los ANGELES, CALIFORNIA POWDER PLAcING SYEINGE Application mea october 29",` 1928. istrati No. 315,850.

pensive material and which can be used with a blast bulb or other blast device and then thrown away, that is, the chargecontaining device complete with the charge thereinis purchased in the open market, in any de Sired number and is ready for. use with the 151simple removal .of a cap and stopper ortemporary closure to be thrown away, and

after use the container vis thrown away.

describe.

Figure 1 is a side elevation of a chargecontainer as it would be sold in the market, containing a charge ofthe powder or other matter to be used;

Figure 2 shows the same device with the cap removed, the pin closure removed, and the container shown in longitudinal section, also showing the nozzle of the air bulb;

YFigure 3 is a side elevation of a slightly modified form of the invention, the container being shorter and provided with a cap and Small stopper in the small end;

Figure 4 shows the same container with cap removed and stopper removed and the small end inserted in a tube adapted to be connected with a .blast bulb;

Figure 5 is a side elevation of a charge container provided at its small end or neck with a quick thread for connecting it to the 45 tube; 1

Figure 6 is a fragmentary view of a container having a disc closure adaptedl to be pressed inwardly andk fractured to ypermit discharge of the contents;

Figure 7 is a similar view of a container having an outside cap-like closure adapted to be broken inwardly for discharge when it is to be used; and Y F'gure 8 is a Side elevation of an air blast bulb which can be used with the charge container, beingfdetachable.

Referringnow to thel drawings more in detail,l Figs. 1 and 2, the charge container is designated 10, and is provided on itsfouter end with a cap 11,and with a pin'closure 12, adapted to be inserted through the small or tubular portionl 10 ofthe container. This is made of any suitable'cheap and sanitary ymaterial, suchas Celluloid, parafiin paper, or

other material which will serve the purpose fora single use. When desired forvus'e, the

vrcap 11 isremovedand the pin closure 12 is withdrawm and the nozzle of a bulb= 13, is inserted into the end of the tubular portion 10', whereupon the charge can be blown from the container l0.V`

In Figs. 3 and 4, the container 14 is made without the tubular portion and is provided with a small cork stopper 15 and the outer cap 16. An intermediate tube 17` is provided for use with the bulb 18, and this connection is shown as a bayonet slot and pin at 19, with valve 20 in the bulb to prevent possible back How of the contents of the container.

In Fig. 5, I have shown the container provided with a quick screw thread 21, as a means for quickly attaching it to the end of the tube 22, constructed to receive the same.

In Fig. 6 the container 23, is provided with an inside closure disc 24, adapted to be broken and pushed inwardly, as indicated in light broken lines, when it is desired to use'the charge.

In Fig. 7, a similar container 25 is shown,

I but with an outside cap 26, adapted to be broken inwardly, as indicated when the contents are to be used.

In Fig. 8, I have shown an air blast bulbY l can be made within the spirit of my invention, but intend that my protection will be to any form of single use charge container for material which is to be blown into the place to be treated, saideharge container being adapted for connection to the blast furnishing device at the time it is to be used and then thrown away after kthe contents have been blown therefrom.

lVhat I claim and desire to secure protection-for is:

1. A powder placing syringe comprising a tubular charge-container having one endreduced and adapted to be connected` to a blast-furnishing device and having Yits other Vend provided with a closurel adapted to be opened for discharge of the contents, said charge-container itself being the insertible part of the syringe to be thrown away after a single use.

2. A powder placing syringe comprising a blast bulb with nozzle for connection to a container, a tubular charge-container having one end reduced formed for detachable connection with said bulb nozzle and its other end provided with a *closure to be opened when the contents are to be used, the chargecontainer being .designed to serve as the insertible part of the syringe for directing the charge to the place to be treated. A

Y Signed at l Los Angeles, Los Angeles yCounty, California, this 23rd-day of October,192s. .u s,

LESTER L. YFINDLEY. 

